#include<bits/stdc++.h>

using namespace std;

int main() {
    //把一个字符串切成3段，输出每段对应的整数，基本思路注意不能直接提交！
    char s[1000] = "13568";
    char b[100] = "0";
    strcat(b, s);
    cout << b << endl;
    int w = strlen(b);
    w /= 3;
    cout << b + w * 2 << endl;
    b[2 * w] = 0;
    cout << b + w << endl;
    b[w] = 0;
    cout << b << endl;

}
